42067025

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^2$

素因数の和:123

約数の個数: 72

約数和(自身を含む): 71787072

約数和(自身を除く): 29720047

約数列:

[1, 5, 7, 11, 13, 25, 35, 41, 55, 65, 77, 91, 143, 175, 205, 275, 287, 325, 385, 451, 455, 533, 715, 1001, 1025, 1435, 1681, 1925, 2255, 2275, 2665, 3157, 3575, 3731, 5005, 5863, 7175, 8405, 11275, 11767, 13325, 15785, 18491, 18655, 21853, 25025, 29315, 41041, 42025, 58835, 78925, 92455, 93275, 109265, 129437, 146575, 152971, 205205, 240383, 294175, 462275, 546325, 647185, 764855, 1026025, 1201915, 1682681, 3235925, 3824275, 6009575, 8413405, 42067025]

約数ペア:

[(1, 42067025), (5, 8413405), (7, 6009575), (11, 3824275), (13, 3235925), (25, 1682681), (35, 1201915), (41, 1026025), (55, 764855), (65, 647185), (77, 546325), (91, 462275), (143, 294175), (175, 240383), (205, 205205), (275, 152971), (287, 146575), (325, 129437), (385, 109265), (451, 93275), (455, 92455), (533, 78925), (715, 58835), (1001, 42025), (1025, 41041), (1435, 29315), (1681, 25025), (1925, 21853), (2255, 18655), (2275, 18491), (2665, 15785), (3157, 13325), (3575, 11767), (3731, 11275), (5005, 8405), (5863, 7175)]